Home / 143,746.89-198,370.77-80,088.84

Finding the Fourth Proportional to 143,746.89, 198,370.77 and 80,088.84

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Solution

The fourth proportional to 143,746.89, 198,370.77 and 80,088.84 is: 110,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,746.89 : 198,370.77 = 80,088.84 : x
  2. Step 2: Convert to fraction form
    143,746.89/198,370.77 = 80,088.84/x
  3. Step 3: Cross multiply
    143,746.89x = 198,370.77 × 80,088.84
  4. Step 4: Simplify right side
    143,746.89x = 15,887,284,859.21
  5. Step 5: Solve for x
    x = 15,887,284,859.21/143,746.89
  6. Step 6: Final answer
    x = 110,522.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.